Finding the Fourth Proportional to 12,031,149.22, 16,603,688.14 and 6,804,620.74
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Solution
The fourth proportional to 12,031,149.22, 16,603,688.14 and 6,804,620.74 is: 9,390,773.78
Step by Step Solution
- Step 1: Write the proportion equation
12,031,149.22 : 16,603,688.14 = 6,804,620.74 : x - Step 2: Convert to fraction form
12,031,149.22/16,603,688.14 = 6,804,620.74/x - Step 3: Cross multiply
12,031,149.22x = 16,603,688.14 × 6,804,620.74 - Step 4: Simplify right side
12,031,149.22x = 112,981,800,688,823.16 - Step 5: Solve for x
x = 112,981,800,688,823.16/12,031,149.22 - Step 6: Final answer
x = 9,390,773.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.